package com.cwl.base.day04.date;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Scanner;

/**
 * @program: java_base
 * @description:
 * @author: ChenWenLong
 * @create: 2019-11-08 10:44
 **/
public class VisualCalendar {

    public static void main(String[] args) {
        System.out.println("请输入日期(按照格式：2030-3-10)：");
        Scanner scanner = new Scanner(System.in);
        String temp = scanner.nextLine();

        DateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        try {
            Date date = format.parse(temp);
            Calendar calendar = new GregorianCalendar();
            calendar.setTime(date);
            int  day = calendar.get(Calendar.DATE);
            calendar.set(Calendar.DATE, 1);

            int maxDate = calendar.getActualMaximum(Calendar.DATE);
            System.out.println("日\t一\t二\t三\t四\t五\t六");

            for(int i=1;i<calendar.get(Calendar.DAY_OF_WEEK);i++){
                System.out.print('\t');
            }

            for(int i=1;i<=maxDate;i++){
                if(i==day){
                    System.out.print("*");
                }
                System.out.print(i+"\t");
                int  w = calendar.get(Calendar.DAY_OF_WEEK);
                if(w==Calendar.SATURDAY){
                    System.out.print('\n');
                }
                calendar.add(Calendar.DATE, 1);
            }

        } catch (ParseException e) {
            e.printStackTrace();
        }

    }
}
